Finding Illinois state radon materials before a transaction
Essential guide for Illinois sellers and buyers to locate mandated radon disclosure forms and safety pamphlets required for residential property transactions.
The short answer
In Illinois, sellers are legally required to provide buyers with specific documentation regarding radon risks before a purchase contract is signed. This includes the IEMA-OHS pamphlet on radon testing and the state's Disclosure of Information on Radon Hazards form. These documents ensure buyers are informed of potential hazards and testing protocols prior to finalizing their property acquisition.
Identifying Required State Documentation
Illinois law mandates that sellers deliver the Illinois Disclosure of Information on Radon Hazards form to prospective buyers. This document has been officially reviewed by the Illinois Department of Financial and Professional Regulation. Ensuring you have this specific, state-compliant form is a critical step for any seller aiming to meet transparency obligations under state statutes.
Accessing Official IEMA-OHS Resources
The Illinois Emergency Management Agency-Office of Homeland Security (IEMA-OHS) serves as the primary authority for radon-testing protocols in real estate. Buyers and sellers should visit the agency website to download the mandatory radon-testing pamphlet. If you encounter difficulty locating the current version of these documents, use the agency's provided information line to request official copies.
Verifying Licensing for Radon Professionals
The Radon Industry Licensing Act requires that any individual providing radon testing or mitigation services within Illinois must hold a valid, current license issued by IEMA-OHS. You should request a professional's license number and verify it against the state registry. Working with an unlicensed tester may invalidate your results or complicate the disclosure process.
Planning Your Disclosure Timeline
For a hypothetical planning example, a seller should integrate document preparation into their initial listing checklist. If you are preparing to sell, create a folder containing the Radon Hazards disclosure and your testing records. Do not wait until an offer is received; having these materials ready ensures compliance with delivery requirements, which are effective upon the buyer's receipt.
Checklist
- Download the official IEMA-OHS radon testing pamphlet.
- Obtain the Illinois Disclosure of Information on Radon Hazards form.
- Verify your radon service provider holds an IEMA-OHS license.
- Maintain a record of when these documents were provided to the buyer.
- Consult a professional regarding any radon-related questions not covered by state guidance.
Common questions
Where can I find the most current Illinois radon disclosure forms?
You can find these materials through the official IEMA-OHS real estate radon guidance website or by calling their information line.
Are sellers required to conduct a radon test before selling?
Illinois law focuses on the disclosure of known information and the provision of educational materials; consult with a licensed professional regarding whether a specific test is recommended for your transaction.
Sources
- Illinois Residential Real Property Disclosure ActChecked October 12, 2026
- IEMA-OHS — Real estate radon guidanceChecked October 12, 2026
- EPA — Real estate lead-hazard disclosuresChecked October 12, 2026
- FEMA — Flood mapsChecked October 12, 2026
This guide is general educational content from SQFT IO, prepared with AI assistance. It is not legal, tax or loan advice. Talk with a licensed attorney, tax professional or lender about your situation. SQFT IO Illinois license 478.027617.